Upper Cretaceous (Campanian and Maastrichtian) ammonites from southern Alaska
Author(s):
, and Jones, D. L.
Publication Year:
1963
Bibliographic Reference:
Jones, D.L., 1963, Upper Cretaceous (Campanian and Maastrichtian) ammonites from southern Alaska: U.S. Geological Survey Professional Paper PP 0432, 53 p.